package com.cqgcxy.shopping.common;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
/**
 * 用来处理所有请求的字符集都改为UTF-8
 * @author mhc
 *
 */
@WebFilter(urlPatterns= {"/*"})
public class CharsetFilter implements Filter {

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		request.setCharacterEncoding("UTF-8");
		chain.doFilter(request, response);
		response.setCharacterEncoding("UTF-8");
	}

	@Override
	public void destroy() {
	}

}
